i am currently working on the my 4th ad truck with a late model 6 (250 or 292) and a t5 trans you need the following parts for a clean installation 54-55.1 bellhousing crossmember, 55 chevy truck v8 bellhousing, 54 and up bellhousing mounts, boxing frame plates, side motor mounts (i make them to use the biscit style rubber mounts), and a side plate to mount on the block to mount your original gas peddle linkage, modify your trans, and get a clutch disc, look on chevybombs.com my user name is THE CUT MASTER my work is document there.